Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: Scientists Last 6 years Citation Index, Universities Total Citations Rankings 2025 and Universities Last 6 Years Citations Rankings 2025
* Total Citation Counts Rankings
Ranking Based On Selection :1
Allergy and immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,563
6,717
0.702
* Total Citation Counts Rankings
Ranking Based On Selection :2
Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,235
3,512
0.485
* Total Citation Counts Rankings
Ranking Based On Selection :3
Pediatric Immunology and Allergy
Pediatric Cardiology
Pediatrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,837
2,121
0.748
* Total Citation Counts Rankings
Ranking Based On Selection :4
Allergy and Clinical Immunology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,995
235
0.118
* Total Citation Counts Rankings
Ranking Based On Selection :5
allergy
asthma
food allergy
immunotherapy
drug allergy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,815
1,291
0.711
* Total Citation Counts Rankings
Ranking Based On Selection :6
Primer İmmün yetmezlikler
Yeni Nesil Dizileme
Sekans
HLA Doku Tiplendirmesi
Hücre Kültürü
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
746
513
0.688
* Total Citation Counts Rankings
Ranking Based On Selection :7
Primary immunodeficiencies
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
723
565
0.781
* Total Citation Counts Rankings
Ranking Based On Selection :8
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
620
348
0.561
Ümit Murat Şahiner
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,563
6,717
0.702
Allergy and immunology
Bülent Enis Şekerel
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,235
3,512
0.485
Deniz Nazire Çağdaş Ayvaz
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,837
2,121
0.748
Pediatric Immunology and Allergy
Pediatric Cardiology
Pediatrics
Yıldız Saraçlar
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,995
235
0.118
Allergy and Clinical Immunology
Ayşe Betül Büyüktiryaki
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,815
1,291
0.711
allergy
asthma
food allergy
immunotherapy
drug allergy
Çağman Sun Tan
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
746
513
0.688
Primer İmmün yetmezlikler
Yeni Nesil Dizileme
Sekans
HLA Doku Tiplendirmesi
Hücre Kültürü
Baran Erman
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
723
565
0.781
Primary immunodeficiencies
Ayşegül Akan
Hacettepe University
Ankara, Türkiye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
620
348
0.561